NVIDIA GeForce GT 640M LE: specs and benchmarks

NVIDIA GeForce GT 640M LE

Summary

NVIDIA started GeForce GT 640M LE sales 22 March 2012 at a recommended price of $849.99 . This is Kepler architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 1 GB of DDR3\DDR5 memory clocked at 1.8 GHz are supplied, and together with 128bit memory interface this creates a bandwidth of Up to 28.8 GB/s.

Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. Power consumption is at 20 Watt.

It provides poor gaming and benchmark performance at 3.92 percent of a leader's which is AMD Radeon R9 390 X2.

General info

Of GeForce GT 640M LE's architecture, market type and release date.
Place in performance rating
 
Perfomance to price
1.37
 
Architecture
Kepler
 
Code name
GK107
 
Type
Laptop
 
Release date
22 March 2012
 
Launch price (MSRP)
$849.99
 
of 14999 (Quadro Plex 7000)
Price
$849.99
 
of 4762.99 (Quadro P6000)

Technical specs

GeForce GT 640M LE's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GT 640M LE's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
384
 
of 8192 (Radeon Pro Duo)
CUDA cores
Up to 384
 
Core clock speed
Up to 500 MHz
 
Transistor count
1,270 million
 
of 21100
Manufacturing process technology
28 nm
 
of 12
Power consumption (TDP)
20 Watt
 
of 900 (Tesla S2050)
Texture fill rate
Up to 16.0 billion/sec
 
of 512 (Radeon Pro Duo)
Floating-point performance
384.0 gflops
 
of 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on GeForce GT 640M LE's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
medium sized
 
Bus support
PCI Express 2.0, PCI Express 3.0
 
Interface
PCIe 3.0 x16
 

Memory specs

Parameters of memory installed on GeForce GT 640M LE: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
DDR3\DDR5
 
Maximum RAM amount
1 GB
 
of 32
Memory bus width
128bit
 
of 8192 (Radeon Pro Duo)
Memory clock speed
1800 MHz
 
of 11408 (TITAN Xp)
Memory bandwidth
Up to 28.8 GB/s
 
of 1024 (Radeon Pro Duo)
Shared memory
-
 

Video outputs and ports

Types and number of video connectors present on GeForce GT 640M LE.
Display Connectors
No outputs
 
HDMI
+
 
HDCP
+
 
Maximum VGA resolution
Up to 2048x1536
 

Technologies

Technological solutions and APIs supported by GeForce GT 640M LE. You'll probably need this information if you need some particular technology for your purposes.
3D Blu-Ray
+
 
3D Vision
+
 
Optimus
+
 
3D Vision / 3DTV Play
+
 
CUDA
+
 
DirectX 11
DirectX 11
 
DirectCompute
+
 
Verde Drivers
+
 

API support

APIs supported by GeForce GT 640M LE, sometimes including their particular versions.
DirectX
12 API
 
OpenGL
4.5
 
OpenCL
1.1
 

Video card benchmarks performance

Non-gaming benchmarks performance of GeForce GT 640M LE. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
3.79
 
 
3DMark 11 Performance GPU
1259.00
 
 
3DMark Vantage Performance
5788.00
 
 
Passmark
785
 
 
Octane Render OctaneBench
7
 
 

Mining hashrate

Cryptocurrency mining performance of GeForce GT 640M LE. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
14 Mh/s
 
 

Game benchmarks (in FPS)

Let's see how good GeForce GT 640M LE is for gaming. Particular gaming benchmark results are measured in FPS, while overall gaming performance is a number in 0-100 range, and the older the game, the less impact it has on the overall grade.
Overall gaming performance
0.01
 
 
Games can run, %
At minimum settings
88.06
At recommended settings
64.52
New games support
40
Games benchmarked by notebookcheck.net
Diablo III (2012)
low / 768p
98.60
 
medium / 768p
65.30
 
high / 768p
57.70
 
ultra / 1080p
42.50
 
The Elder Scrolls V: Skyrim (2011)
low / 720p
47.00
 
medium / 768p
34.65
 
high / 768p
26.32
 
ultra / 1080p
14.49
 
World of Warcraft (2005)
low / 600p
78.00
 
medium / 768p
53.00
 
high / 1024p
26.00
 

Relative perfomance

Overall GeForce GT 640M LE performance compared to its nearest competitors. All GPU types participate.

AMD equivalent

We believe that the nearest equivalent to GeForce GT 640M LE from AMD is Radeon HD 6650M, which is slower by 1% and lower by 3 positions in our rating.

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Advices and comments

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